Canon MF720 Series, Service Manual, Page: 187 / 327

NOTE:
The host machine side needs to be in the following
condition when installing the Main Drive Unit.
• The direction of the joint [1] on the host machine side
is as shown in the figure below (at this time, the hole
[A] of the plate and hole [B] of the joint [1] are aligned
in a straight line).
If the direction is not correct, rotate the joint [1] to the
direction as shown in the figure below.
[A]
[B]
[A]
[B]
[1]
[1]
• The Front Cover is open.
CAUTION:
When installing the Main Drive Unit, be sure to pay
attention to the following points:
• Fit the joint [1] of the gear of the Main Drive Unit
with the joint [2] of the host machine.
• Fit the hole [3] of the link with the shaft [4] of the
host machine.
• Fit the hole [5] of the Front Door Arm with the shaft
[6] of the host machine.
[1]
[5] [3]
[2]
[4] [6]
Removing the Duplex Reverse
Drive Unit
■ Preparation
1. Removing the Right Cover.(Refer to “Removing the
Right Cover” on page 120 )
2. Removing the Left Cover.(Refer to “Removing the
Left Cover” on page 118 )
3. Removing the Rear Upper Cover.(Refer to
“Removing the Rear Upper Cover” on page 123 )
4. Removing the Rear Cover.(Refer to “Removing the
Rear Cover” on page 123 )
5. Removing the Rear Lower Cover.(Refer to
“Removing the Rear Lower Cover” on page 123 )
6. Removing the Rear Cover Rib Unit.(Refer to
“Removing the Rear Cover Rib Unit” on page 125 )
4. Disassembly/Assembly
179